Advertisements
Advertisements
Question
Which diseases are spread by flies and how?
Advertisements
Solution
Following diseases are spread by flies; dysentery, cholera, typhoid, anthrax, etc. When a fly sits on contaminated material, harmful germs stick to its legs. When the same fly sits on food, the germs get transferred to the food. Thus, a fly spreads various diseases.
APPEARS IN
RELATED QUESTIONS
What problems did they have on having malaria?
What other diseases can be caused by mosquito bites?
Look at the report of the blood test given here. Which words in the report help us to know that the person has malaria?

Look at Aarti’s blood report and find out the minimum required haemoglobin?

Who is supposed to get the gutters and drains repaired?
Find out who is responsible for keeping the area around your school clean. Write a letter from your class, reporting your findings and suggestions. Find out to whom the letter should be written and to which office it should be sent.
Is there a pond or river around your house or school? Go and look around and observe these things:
Can you see algae in or around the water?
What can you do so that mosquitoes do not breed in your house, school and neighbourhood?
Have you or anyone in your family ever needed to get a blood test? When and why?
Is there a pond or river around your house or school? Go and look around and observe these things:
Are there plants growing on the side or in water? Find out their names. Draw some of these in your notebook.
